soft matter

Grazing-incidence small-angle neutron scattering at high pressure (HP-GISANS): a soft matter feasibility study on grafted brush films

We present a demonstration of high-pressure grazing-incidence small-angle neutron scattering for soft matter thin films. The results suggest changes in water reorganization at different pressures.




soft matter

Grazing-incidence small-angle neutron scattering at high pressure (HP-GISANS): a soft matter feasibility study on grafted brush films

Grazing-incidence small-angle neutron scattering (GISANS) under pressure (HP-GISANS) at the solid (Si)–liquid (D2O) interface is demonstrated for the pressure-induced lateral morphological characterization of the nanostructure in thin (<100 nm) soft matter films. We demonstrate feasibility by investigating a hydrophobic {poly[(2,2,3,3,4,4,5,5-octafluoro)pentyl methacrylate]} (POFPMA)–hydrophilic {poly[2-(dimethylamino)ethyl methacrylate]} (PDMAEMA) brush mixture of strong incompatibility between the homopolymers, anchored on Si, at T = 45°C for two pressures, P = 1 bar and P = 800 bar. Our GISANS results reveal nanostructural rearrangements with increasing P, underlining P-induced effects in tethered polymer brush layers swollen with bulk solvent.




soft matter

Critical Casimir forces in soft matter

Soft Matter, 2024, 20,3212-3242
DOI: 10.1039/D3SM01408H, Review Article
A. Gambassi, S. Dietrich
We review recent advances in the theoretical, numerical, and experimental studies of critical Casimir forces in soft matter, with particular emphasis on their relevance for the structures of colloidal suspensions and on their dynamics.
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soft matter

A practical guide to active colloids: choosing synthetic model systems for soft matter physics research

Soft Matter, 2020, 16,3846-3868
DOI: 10.1039/D0SM00222D, Review Article
Wei Wang, Xianglong Lv, Jeffrey L. Moran, Shifang Duan, Chao Zhou
This review article provides practical, experimentally relevant details on six common types of active colloids useful for soft matter research.
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soft matter

Bi-continuous orthorhombic soft matter phase made of polycatenar molecules

Soft Matter, 2020, 16,3882-3885
DOI: 10.1039/D0SM00331J, Communication
Joanna Matraszek, Damian Pociecha, Nataša Vaupotič, Mirosław Salamończyk, Martin Vogrin, Ewa Gorecka
A slight deformation of a double gyroid structure of a cubic Iād phase results in the formation of a phase with an orthorhombic Pcab symmetry. The phase seems to be an intermediate state towards a columnar phase made of helical pillars.
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soft matter

Outstanding Reviewers for Soft Matter in 2019

Soft Matter, 2020, 16,3845-3845
DOI: 10.1039/D0SM90069A, Editorial

We would like to take this opportunity to highlight the Outstanding Reviewers for Soft Matter in 2019, as selected by the editorial team for their significant contribution to the journal.
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soft matter

Assistant Professor (Juniorprofessor) of Experimental Physics - X-Ray Scattering at Soft Matter. (W1 with tenure-track to a W2 position LBesG): Johannes Gutenberg-Universität Mainz

€Attractive: Johannes Gutenberg-Universität Mainz
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